The invention relates to the technical field of wireless power transmission, and particularly discloses a double-side LCC wireless charging system control method based on GSSA model reduced-order analysis, and the method comprises the steps: firstly building a GSSA model of a wireless power transmission system of a double-side LCC topological structure; a small signal model is established according to the nonlinear characteristic of the system, and a small signal open-loop transfer function of the system is established based on the small signal model; then, a 17-order system is reduced into a 3-order system through a balanced order reduction method, and parameter adjustment is performed on a small signal open-loop transfer function based on the reduced small signal model to obtain a PI control function, so that the problem of high design difficulty of the controller due to high order and nonlinearity of the system is solved, and the designed PI controller has the advantages that the design difficulty is reduced; and the stability of the output voltage of the 6.6 kw electric vehicle wireless charging system is ensured.

    本发明涉及无线电能传输技术领域,具体公开了一种基于GSSA模型降阶分析的双侧LCC无线充电系统控制方法,首先建立了双侧LCC拓扑结构的无线电能传输系统的GSSA模型,并根据系统的非线性特性建立了小信号模型并基于小信号模型构建系统的小信号开环传递函数;然后,通过平衡降阶方法,将17阶系统降为3阶系统,并基于降阶后的小信号模型对小信号开环传递函数进行参数调整,得到PI控制函数,解决了系统由于高阶和非线性导致控制器设计难度大的问题,设计的PI控制器,确保了6.6kw电动汽车无线充电系统输出电压的稳定性。


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Double-side LCC wireless charging system control method based on GSSA model reduced-order analysis


    Weitere Titelangaben:

    基于GSSA模型降阶分析的双侧LCC无线充电系统控制方法


    Beteiligte:
    MO YUHONG (Autor:in) / ZHAO SHIJUN (Autor:in) / TANG CHUNSEN (Autor:in) / XIAO JING (Autor:in) / HAN SHUAI (Autor:in) / WANG ZHIHUI (Autor:in) / WU XIAORUI (Autor:in) / GONG WENLAN (Autor:in) / WU NING (Autor:in) / CHEN WEIDONG (Autor:in)

    Erscheinungsdatum :

    2022-11-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen



    Primary side and secondary side control quantity constraint method and device and wireless charging system

    LIU WEI / HU CHAO / LUO YONG | Europäisches Patentamt | 2021

    Freier Zugriff



    AGV-oriented primary side control type LCC-S wireless charging system and control method

    LU LEI / LI ZHENJIE / DAI HONGYING | Europäisches Patentamt | 2023

    Freier Zugriff

    Continuous derating fast charging method based on multiple particle reduced order model

    HAN SANGWOO / RAHIMIAN SAEED KHALEGHI / FOROUZAN MEHDI et al. | Europäisches Patentamt | 2020

    Freier Zugriff